package com.cheng.example.book.onjava8.collection12;

import java.util.*;

public class ApplesAndOrangesWithGenerics {
    public static void main(String[] args) {
        ArrayList<Apple> apples = new ArrayList<>();
        for(int i = 0; i < 3; i++)
            apples.add(new Apple());
        // Compile-time error:
        // apples.add(new Orange());
        for(Apple apple : apples) {
            System.out.println(apple.id());
        }
    }
}
/* Output:
0
1
2
*/